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<template>
<div :class="className" :style="{height:height,width:width}"></div>
</template>
<script>
import echarts from 'echarts'
require('echarts/theme/macarons') // echarts 主题
import { debounce } from '@/utils'
export default {
props: {
className: {
type: String,
default: 'chart'
},
width: {
type: String,
default: '100%'
},
height: {
type: String,
default: '350px'
},
autoResize: {
type: Boolean,
default: true
}
},
data() {
return {
chart: null
}
},
mounted() {
this.initChart()
if (this.autoResize) {
this.__resizeHanlder = debounce(() => {
if (this.chart) {
this.chart.resize()
}
}, 100)
window.addEventListener('resize', this.__resizeHanlder)
}
// 监听侧边栏的变化
const sidebarElm = document.getElementsByClassName('sidebar-container')[0]
sidebarElm.addEventListener('transitionend', this.__resizeHanlder)
},
beforeDestroy() {
if (!this.chart) {
return
}
if (this.autoResize) {
window.removeEventListener('resize', this.__resizeHanlder)
}
const sidebarElm = document.getElementsByClassName('sidebar-container')[0]
sidebarElm.removeEventListener('transitionend', this.__resizeHanlder)
this.chart.dispose()
this.chart = null
},
methods: {
initChart() {
this.chart = echarts.init(this.$el, 'macarons')
this.chart.setOption({
xAxis: {
data: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun'],
boundaryGap: false
},
grid: {
left: 10,
right: 10,
bottom: 20,
containLabel: true
},
tooltip: {
trigger: 'axis',
axisPointer: {
type: 'cross'
}
},
yAxis: {},
series: [{
name: 'visitors',
itemStyle: {
normal: {
areaStyle: {}
}
},
smooth: true,
type: 'line',
data: [100, 120, 161, 134, 105, 160, 165],
animationDuration: 2600,
animationEasing: 'cubicInOut'
},
{
name: 'buyers',
smooth: true,
type: 'line',
itemStyle: {
normal: {
color: 'rgba(2, 197, 233, 0.2)',
lineStyle: {
color: 'rgba(2, 197, 233, 0.2)'
},
areaStyle: {
color: 'rgba(99,194,255, 0.6)'
}
}
},
data: [120, 82, 91, 154, 162, 140, 130],
animationDuration: 2000,
animationEasing: 'quadraticOut'
}]
})
}
}
}
</script>